🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.47 AU - 2.63 AU

Year: 2629 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,667,940 km

• M1: 173,534 km (0.101 R)
• M2: 714,031 km (0.04 R)
• M3: 1,316,760 km (0.084 R)
• M4: 2,053,231 km (0.092 R)
• M5: 3,117,769 km (0.104 R)
• M6: 4,738,961 km (0.052 R)
• M7: 6,184,226 km (0.118 R)
• M8: 7,448,478 km (0.105 R)
• M9: 8,811,315 km (0.1 R)
• M10: 9,570,075 km (0.079 R)
• M11: 10,075,417 km (0.111 R)
• M12: 10,522,565 km (0.114 R)
• M13: 11,022,072 km (0.093 R)
• M14: 11,699,152 km (0.039 R)
• M15: 13,536,064 km (0.114 R)
• M16: 14,173,800 km (0.071 R)
• M17: 15,509,410 km (0.097 R)
• M18: 16,668,045 km (0.093 R)
• M19: 17,295,010 km (0.119 R)
• M20: 17,775,518 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 12.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.24 AU - 3.02 AU

Year: 2754 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,667,940 km

• M1: 157,975 km (0.119 R)
• M2: 760,705 km (0.084 R)
• M3: 1,196,185 km (0.088 R)
• M4: 1,688,511 km (0.119 R)
• M5: 2,430,068 km (0.092 R)
• M6: 3,147,240 km (0.099 R)
• M7: 4,232,273 km (0.108 R)
• M8: 4,675,532 km (0.05 R)
• M9: 5,198,975 km (0.047 R)
• M10: 5,604,235 km (0.114 R)
• M11: 6,112,719 km (0.111 R)
• M12: 6,681,340 km (0.109 R)
• M13: 7,761,437 km (0.058 R)
• M14: 9,316,955 km (0.097 R)
• M15: 9,727,003 km (0.057 R)
• M16: 10,227,109 km (0.087 R)
• M17: 10,704,027 km (0.113 R)
• M18: 11,702,443 km (0.074 R)
• M19: 12,990,630 km (0.106 R)
• M20: 14,569,187 km (0.087 R)
• M21: 17,088,565 km (0.107 R)
• M22: 18,803,256 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 13.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.28 AU - 6.82 AU

Year: 8442 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,667,940 km

• M1: 170,392 km (0.069 R)
• M2: 999,613 km (0.066 R)
• M3: 1,885,681 km (0.096 R)
• M4: 2,323,853 km (0.099 R)
• M5: 3,508,369 km (0.069 R)
• M6: 4,263,988 km (0.117 R)
• M7: 5,125,821 km (0.109 R)
• M8: 5,959,530 km (0.092 R)
• M9: 6,576,622 km (0.076 R)
• M10: 8,507,781 km (0.077 R)
• M11: 11,327,102 km (0.063 R)
• M12: 11,935,517 km (0.103 R)
• M13: 14,654,907 km (0.095 R)
• M14: 17,690,397 km (0.06 R)
• M15: 22,302,200 km (0.103 R)
• M16: 22,995,586 km (0.079 R)
• M17: 28,662,952 km (0.092 R)
• M18: 29,482,898 km (0.109 R)
• M19: 31,709,513 km (0.071 R)
• M20: 37,095,634 km (0.089 R)
• M21: 39,562,054 km (0.07 R)
• M22: 44,273,789 km (0.115 R)
• M23: 47,472,491 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 12.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.52 AU - 5.8 AU

Year: 8694 Days

Day: 5.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,667,940 km

• M1: 160,519 km (0.064 R)
• M2: 987,944 km (0.11 R)
• M3: 1,863,989 km (0.092 R)
• M4: 3,650,487 km (0.111 R)
• M5: 4,304,828 km (0.082 R)
• M6: 7,809,607 km (0.114 R)
• M7: 8,303,430 km (0.116 R)
• M8: 9,228,244 km (0.088 R)
• M9: 10,042,954 km (0.106 R)
• M10: 11,668,933 km (0.065 R)
• M11: 15,027,705 km (0.115 R)
• M12: 17,403,169 km (0.092 R)
• M13: 17,919,731 km (0.118 R)
• M14: 18,380,193 km (0.037 R)
• M15: 25,684,758 km (0.06 R)
• M16: 28,169,728 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.7

Radius: 7.9

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.06 AU - 7.44 AU

Year: 10089 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,667,940 km

• M1: 98,435 km (0.11 R)
• M2: 487,539 km (0.079 R)
• M3: 958,773 km (0.078 R)
• M4: 1,339,499 km (0.06 R)
• M5: 1,818,811 km (0.115 R)
• M6: 2,979,541 km (0.107 R)
• M7: 4,215,070 km (0.104 R)
• M8: 5,584,638 km (0.101 R)
• M9: 5,978,081 km (0.109 R)
• M10: 7,696,362 km (0.093 R)
• M11: 12,075,391 km (0.072 R)
• M12: 13,927,711 km (0.11 R)
• M13: 14,385,630 km (0.069 R)
• M14: 16,032,703 km (0.117 R)
• M15: 16,535,801 km (0.087 R)
• M16: 16,828,115 km (0.035 R)
• M17: 19,696,953 km (0.12 R)
• M18: 23,698,397 km (0.097 R)
• M19: 26,681,229 km (0.039 R)
• M20: 32,687,733 km (0.088 R)
• M21: 33,964,850 km (0.091 R)
• M22: 39,018,416 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.6

Radius: 5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.69 AU - 9.33 AU

Year: 13288 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,667,940 km

• M1: 173,982 km (0.041 R)
• M2: 546,182 km (0.089 R)
• M3: 726,896 km (0.042 R)
• M4: 913,594 km (0.114 R)
• M5: 2,411,667 km (0.105 R)
• M6: 3,260,037 km (0.041 R)
• M7: 9,185,010 km (0.082 R)
• M8: 10,204,071 km (0.063 R)
• M9: 10,559,964 km (0.064 R)
• M10: 11,109,138 km (0.098 R)
• M11: 11,629,140 km (0.104 R)
• M12: 13,129,607 km (0.052 R)
• M13: 13,710,645 km (0.092 R)
• M14: 16,027,916 km (0.106 R)
• M15: 26,971,299 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,584 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit